TY - GEN AU - Pérez-Calvo,Juan I AU - Sánchez-Marteles,Marta AU - Morales-Rull,José L TI - β blockers in patients with heart failure and atrial fibrillation SN - 1474-547X PY - 2015///0511 KW - Adrenergic beta-Antagonists KW - therapeutic use KW - Atrial Fibrillation KW - drug therapy KW - Heart Failure KW - Humans N1 - Publication Type: Letter; Comment UR - https://doi.org/10.1016/S0140-6736(15)60787-5 ER -